參數(shù)資料
型號: TSL257T
廠商: TAOS Inc.
英文描述: HIGH-SENSITIVITY LIGHT-TO-VOLTAGE CONVERTER
中文描述: 高靈敏度光到電壓轉(zhuǎn)換器
文件頁數(shù): 3/10頁
文件大小: 184K
代理商: TSL257T
TSL257T
HIGH-SENSITIVITY
LIGHT-TO-VOLTAGE CONVERTER
TAOS065B
APRIL 2007
3
The
LUMENOLOGY
Company
Copyright 2007, TAOS Inc.
www.taosinc.com
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORM
TEST CIRCUIT
Input
E
e
10%
90%
Output
(see Note B)
t
r
TSL257T
R
L
V
DD
2
1
3
+
Output
Pulse
Generator
LED
(see Note A)
t
f
90%
10%
NOTES: A. The input irradiance is supplied by a pulsed Al
I
nGaP light-emitting diode with the following characteristics:
λ
p
= 640 nm,
t
r
< 1
μ
s, t
f
< 1
μ
s.
B. The output waveform is monitored on an oscilloscope with the following characteristics: t
r
< 100 ns, Z
i
1 M
Ω
, C
i
20 pF.
Figure 1. Switching Times
TYPICAL CHARACTERISTICS
Figure 2
PHOTODIODE SPECTRAL RESPONSIVITY
λ
Wavelength
nm
400
500
600
700
800
900
1000 1100
300
0
0.2
0.4
0.6
0.8
1
R
T
A
= 25
°
C
Figure 3
20
0
80
60
40
10
f
Frequency
Hz
10
10
2
10
6
10
5
10
4
10
3
P
30
70
50
POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
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